Automated Surface Finishing & Quality Control

Robot System Integration
Automated Sanding: From 3 Days Setup to 5 Minutes via CAD-to-Path
Project type
Robot System Integration
Specific skills
Automated Surface Finishing, CAD-to-Path Trajectory Generation, Complex Geometry Sanding, Critical Fault Recovery, Turntable Synchronization, Adaptive Force Control, Industrial UX/UI, Asset Protection (DCS), Zero-Downtime Logic, Virtual Commissioning

Intro

The Industrial Challenge:Manual sanding is inconsistent, dangerous for operators (dust/vibrations), and creates bottlenecks. In this project, the goal was to automate the finishing of mixed-production parts (flat, curved, and complex doors) with zero changeover time.

My Solution:I engineered a flexible robotic cell capable of adaptive sanding. By leveraging CAD-to-Path technology, I eliminated hours of manual point teaching, allowing the robot to generate complex trajectories directly from 3D models.

Key Results:

  • Zero Setup Time: Automated path generation for new part geometries.
  • Process Safety: Fail-safe logic for the rotary table (Turntable) ensuring no collisions even during Emergency Stops (E-STOP).
  • Quality Assurance: Consistent pressure and speed on curved surfaces, impossible to achieve manually.

THE DE-RISKING PROTOCOL

Intelligent Zone Interlocking

The Strategy: To prevent the classic "Robot crashes into fixture on startup" scenario, I created a Space Check Protocol.

  • Active Monitoring: The robot knows if it's inside a danger zone (e.g., above the turntable).
  • Guided Recovery: If stuck, the HMI doesn't just show "Error". It guides the operator with specific options (Resume / Home / Abort), reducing downtime caused by operator panic.
Vision Feature Images

Critical Fault Recovery Logic

The Risk: A rotary table (Turntable) carries high inertia. If an operator hits E-STOP during rotation, the system loses its state, leading to crashes upon restart.

The Fix: I implemented a Memory Logic Buffer (BG Logic). The system tracks the exact vector of the last movement even during a power cut. When power returns, the robot resumes exactly where it left off, preventing damage to the part or the fixture.

Sealing Feature Images

Infinite Product Mix

The Problem: Teaching thousands of points for a curved door takes days and is prone to human error.

The Fix: I utilized CAD-to-Path to convert 3D vectors into robot motion instantly. This transforms "programming" into "configuring", reducing the integration time for new products by 90%.

Business Value: Rapid prototyping and immediate switch to production for custom lots.

Home Check Feature Images

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